/*
*
* This file is part of the iText (R) project.
Copyright (c) 1998-2017 iText Group NV
* Authors: Bruno Lowagie, Paulo Soares, et al.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License version 3
* as published by the Free Software Foundation with the addition of the
* following permission added to Section 15 as permitted in Section 7(a):
* FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
* ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
* OF THIRD PARTY RIGHTS
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Affero General Public License for more details.
* You should have received a copy of the GNU Affero General Public License
* along with this program; if not, see http://www.gnu.org/licenses or write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA, 02110-1301 USA, or download the license from the following URL:
* http://itextpdf.com/terms-of-use/
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License.
*
* In accordance with Section 7(b) of the GNU Affero General Public License,
* a covered work must retain the producer line in every PDF that is created
* or manipulated using iText.
*
* You can be released from the requirements of the license by purchasing
* a commercial license. Buying such a license is mandatory as soon as you
* develop commercial activities involving the iText software without
* disclosing the source code of your own applications.
* These activities include: offering paid services to customers as an ASP,
* serving PDFs on the fly in a web application, shipping iText with a closed
* source product.
*
* For more information, please contact iText Software Corp. at this
* address: sales@itextpdf.com
*/
package com.itextpdf.text.pdf;
/**
* <CODE>PdfFormObject</CODE> is a type of XObject containing a template-object.
*/
public class PdfFormXObject extends PdfStream {
// public static final variables
/** This is a PdfNumber representing 0. */
public static final PdfNumber ZERO = new PdfNumber(0);
/** This is a PdfNumber representing 1. */
public static final PdfNumber ONE = new PdfNumber(1);
/** This is the 1 - matrix. */
public static final PdfLiteral MATRIX = new PdfLiteral("[1 0 0 1 0 0]");
/**
* Constructs a <CODE>PdfFormXObject</CODE>-object.
*
* @param template the template
* @param compressionLevel the compression level for the stream
* @since 2.1.3 (Replacing the existing constructor with param compressionLevel)
*/
PdfFormXObject(PdfTemplate template, int compressionLevel) // throws BadPdfFormatException
{
super();
put(PdfName.TYPE, PdfName.XOBJECT);
put(PdfName.SUBTYPE, PdfName.FORM);
put(PdfName.RESOURCES, template.getResources());
put(PdfName.BBOX, new PdfRectangle(template.getBoundingBox()));
put(PdfName.FORMTYPE, ONE);
if (template.getLayer() != null)
put(PdfName.OC, template.getLayer().getRef());
if (template.getGroup() != null)
put(PdfName.GROUP, template.getGroup());
PdfArray matrix = template.getMatrix();
if (matrix == null)
put(PdfName.MATRIX, MATRIX);
else
put(PdfName.MATRIX, matrix);
bytes = template.toPdf(null);
put(PdfName.LENGTH, new PdfNumber(bytes.length));
if (template.getAdditional() != null) {
putAll(template.getAdditional());
}
flateCompress(compressionLevel);
}
}